Automatic Drive In Doubl

c1( er Fi rst Test By A j .m oh i n .R F .T .. E M . oon, Leyland Double-decker with Self-Changing Gears Fully Automatic Gearbox is Tested in Glasgow : Fuel Saving on......

Semi-trailer For Road Or Rail

A NEW type of semi-trailer that can travel by road or rail has been developed after four years' work by the Chesapeake and Ohio Railway Co., of America. At the front is a......